Home / 19,566.36-29,349.81-5,715.36

Finding the Fourth Proportional to 19,566.36, 29,349.81 and 5,715.36

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Solution

The fourth proportional to 19,566.36, 29,349.81 and 5,715.36 is: 8,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566.36 : 29,349.81 = 5,715.36 : x
  2. Step 2: Convert to fraction form
    19,566.36/29,349.81 = 5,715.36/x
  3. Step 3: Cross multiply
    19,566.36x = 29,349.81 × 5,715.36
  4. Step 4: Simplify right side
    19,566.36x = 167,744,730.08
  5. Step 5: Solve for x
    x = 167,744,730.08/19,566.36
  6. Step 6: Final answer
    x = 8,573.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.